Abstract
AbstractMorphology and nanoparticle's distribution are both key factors to the hybrid coassemblies. A fancy method to dynamically control the morphology of hybrid core–shell microspheres (CSMs) with UV light is introduced. The CSMs used here are fabricated with azobenzene (AZO) ended hyperbranched poly(ether amine) in the shell and AZO containing polyhedral oligomer silsesquioxane in the core through coassembly. Upon UV irradiation, the dynamic morphology transition from core–shell microsphere to vesicle is realized by synergistic effects and photothermal effects of AZO, resulting in the size of coassemblies increasing from 1.2 to 2.5 µm. And versatile multivesicular structures can be fixed and captured as mid‐states in taking advantage of the easy control of ON/OFF of UV light. This programmable morphology transition provides a new insight for fabricating light‐controlled hybrid materials with ideal structure in soft nanotechnology which matches with requirements in in situ tunable functions, controlled release, and so on.
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